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Development of drilling rigs in China and our countermeasures.

Ma Jiaji (Research Institute of Petroleum Exploration and Development,CNPC,Beijing) .  
The developing status and trend of drilling rigs abroad are expounded in detail. The current status of the status of drilling rigs in China is also analyzed.The main difference between our drilling rig technique and foreign technique is indicated, and the reasons are found.Suggestions for speeding up development of drilling rigs are put forward:establishing special management organization for development and sale of drilling rigs, strengthening development of basic component elements, laying stress on technical innovation and modification,constructing a union of scientific research and production, and founding drilling rig assembly plants.
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